Filed: 5/15/2025ACC: 0001839435-25-000004
📋 What this filing means
OCTAGON CAPITAL ADVISORS LP filed this quarterly 13F‑HR report disclosing 34 equity positions with a total reported market value of $516.80M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
34
Positions
$516.80M
Total AUM (reported)
121.65M
Total Shares
Allocation by class
COM$325.46M63.0%
SPONSORED ADS$50.60M9.8%
COM NEW$49.47M9.6%
*W EXP 02/10/202$48.10M9.3%
COM SHS$14.87M2.9%
COM CL A$13.90M2.7%
CLASS A ORD$11.56M2.2%
Portfolio Concentration
Top 3$136.38M26.4%
4–10$163.72M31.7%
11–25$171.75M33.2%
Rest$44.95M8.7%
Top 3 weight
26.4%
Top 10 weight
58.1%
Voting Authority Distribution
Total shares with voting rights: 121.65M
Sole
Full voting authority
121.65M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole34
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings34
Rows:
NUVATION BIO INC
SOLEShares27.33M
TypeSH
Market value$48.10M
9.31%
Sole
27.33M
Shared
0.00
None
0.00
APELLIS PHARMACEUTICALS INC
SOLEShares2.09M
TypeSH
Market value$45.80M
8.86%
Sole
2.09M
Shared
0.00
None
0.00
DIANTHUS THERAPEUTICS INC
SOLEShares2.34M
TypeSH
Market value$42.48M
8.22%
Sole
2.34M
Shared
0.00
None
0.00
ARRIVENT BIOPHARMA INC
SOLEShares2.06M
TypeSH
Market value$38.08M
7.37%
Sole
2.06M
Shared
0.00
None
0.00
PHARVARIS N V
SOLEShares4.09M
TypeSH
Market value$32.98M
6.38%
Sole
4.09M
Shared
0.00
None
0.00
CENTESSA PHARMACEUTICALS PLC
SOLEShares1.43M
TypeSH
Market value$20.49M
3.97%
Sole
1.43M
Shared
0.00
None
0.00
GOSSAMER BIO INC
SOLEShares18.35M
TypeSH
Market value$20.18M
3.91%
Sole
18.35M
Shared
0.00
None
0.00
OCULAR THERAPEUTIX INC
SOLEShares2.42M
TypeSH
Market value$17.78M
3.44%
Sole
2.42M
Shared
0.00
None
0.00
MIND MEDICINE MINDMED INC
SOLEShares3.02M
TypeSH
Market value$17.66M
3.42%
Sole
3.02M
Shared
0.00
None
0.00
COGENT BIOSCIENCES INC
SOLEShares2.76M
TypeSH
Market value$16.55M
3.20%
Sole
2.76M
Shared
0.00
None
0.00
KALVISTA PHARMACEUTICALS INC
SOLEShares1.37M
TypeSH
Market value$15.81M
3.06%
Sole
1.37M
Shared
0.00
None
0.00
TAYSHA GENE THERAPIES INC
SOLEShares10.70M
TypeSH
Market value$14.87M
2.88%
Sole
10.70M
Shared
0.00
None
0.00
NUVATION BIO INC
SOLEShares7.90M
TypeSH
Market value$13.90M
2.69%
Sole
7.90M
Shared
0.00
None
0.00
VERONA PHARMA PLC
SOLEShares217.26K
TypeSH
Market value$13.79M
2.67%
Sole
217.26K
Shared
0.00
None
0.00
TOURMALINE BIO INC
SOLEShares905K
TypeSH
Market value$13.77M
2.66%
Sole
905K
Shared
0.00
None
0.00
MERUS N V
SOLEShares308K
TypeSH
Market value$12.96M
2.51%
Sole
308K
Shared
0.00
None
0.00
MOONLAKE IMMUNOTHERAPEUTICS
SOLEShares296K
TypeSH
Market value$11.56M
2.24%
Sole
296K
Shared
0.00
None
0.00
SYNDAX PHARMACEUTICALS INC
SOLEShares904K
TypeSH
Market value$11.11M
2.15%
Sole
904K
Shared
0.00
None
0.00
ATYR PHARMA INC
SOLEShares3.55M
TypeSH
Market value$10.73M
2.08%
Sole
3.55M
Shared
0.00
None
0.00
SCHOLAR ROCK HOLDING CORP
SOLEShares329K
TypeSH
Market value$10.58M
2.05%
Sole
329K
Shared
0.00
None
0.00
VERASTEM INC
SOLEShares1.72M
TypeSH
Market value$10.37M
2.01%
Sole
1.72M
Shared
0.00
None
0.00
CENTESSA PHARMACEUTICALS PLC
SOLEShares600K
TypeSH
Market value$8.63M
1.67%
Sole
600K
Shared
0.00
None
0.00
REGULUS THERAPEUTICS INC
SOLEShares4.64M
TypeSH
Market value$8.11M
1.57%
Sole
4.64M
Shared
0.00
None
0.00
ARS PHARMACEUTICALS INC
SOLEShares625K
TypeSH
Market value$7.86M
1.52%
Sole
625K
Shared
0.00
None
0.00
ABIVAX SA
SOLEShares1.23M
TypeSH
Market value$7.69M
1.49%
Sole
1.23M
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NUVATION BIO INCSOLE | *W EXP 02/10/202 | 27.33M | SH | $48.10M 9.31% | 27.33M | 0.00 | 0.00 |
APELLIS PHARMACEUTICALS INCSOLE | COM | 2.09M | SH | $45.80M 8.86% | 2.09M | 0.00 | 0.00 |
DIANTHUS THERAPEUTICS INCSOLE | COM | 2.34M | SH | $42.48M 8.22% | 2.34M | 0.00 | 0.00 |
ARRIVENT BIOPHARMA INCSOLE | COM | 2.06M | SH | $38.08M 7.37% | 2.06M | 0.00 | 0.00 |
PHARVARIS N VSOLE | COM | 4.09M | SH | $32.98M 6.38% | 4.09M | 0.00 | 0.00 |
CENTESSA PHARMACEUTICALS PLCSOLE | SPONSORED ADS | 1.43M | SH | $20.49M 3.97% | 1.43M | 0.00 | 0.00 |
GOSSAMER BIO INCSOLE | COM | 18.35M | SH | $20.18M 3.91% | 18.35M | 0.00 | 0.00 |
OCULAR THERAPEUTIX INCSOLE | COM | 2.42M | SH | $17.78M 3.44% | 2.42M | 0.00 | 0.00 |
MIND MEDICINE MINDMED INCSOLE | COM NEW | 3.02M | SH | $17.66M 3.42% | 3.02M | 0.00 | 0.00 |
COGENT BIOSCIENCES INCSOLE | COM | 2.76M | SH | $16.55M 3.20% | 2.76M | 0.00 | 0.00 |
KALVISTA PHARMACEUTICALS INCSOLE | COM | 1.37M | SH | $15.81M 3.06% | 1.37M | 0.00 | 0.00 |
TAYSHA GENE THERAPIES INCSOLE | COM SHS | 10.70M | SH | $14.87M 2.88% | 10.70M | 0.00 | 0.00 |
NUVATION BIO INCSOLE | COM CL A | 7.90M | SH | $13.90M 2.69% | 7.90M | 0.00 | 0.00 |
VERONA PHARMA PLCSOLE | SPONSORED ADS | 217.26K | SH | $13.79M 2.67% | 217.26K | 0.00 | 0.00 |
TOURMALINE BIO INCSOLE | COM | 905K | SH | $13.77M 2.66% | 905K | 0.00 | 0.00 |
MERUS N VSOLE | COM | 308K | SH | $12.96M 2.51% | 308K | 0.00 | 0.00 |
MOONLAKE IMMUNOTHERAPEUTICSSOLE | CLASS A ORD | 296K | SH | $11.56M 2.24% | 296K | 0.00 | 0.00 |
SYNDAX PHARMACEUTICALS INCSOLE | COM | 904K | SH | $11.11M 2.15% | 904K | 0.00 | 0.00 |
ATYR PHARMA INCSOLE | COM NEW | 3.55M | SH | $10.73M 2.08% | 3.55M | 0.00 | 0.00 |
SCHOLAR ROCK HOLDING CORPSOLE | COM | 329K | SH | $10.58M 2.05% | 329K | 0.00 | 0.00 |
VERASTEM INCSOLE | COM NEW | 1.72M | SH | $10.37M 2.01% | 1.72M | 0.00 | 0.00 |
CENTESSA PHARMACEUTICALS PLCSOLE | SPONSORED ADS | 600K | SH | $8.63M 1.67% | 600K | 0.00 | 0.00 |
REGULUS THERAPEUTICS INCSOLE | COM | 4.64M | SH | $8.11M 1.57% | 4.64M | 0.00 | 0.00 |
ARS PHARMACEUTICALS INCSOLE | COM | 625K | SH | $7.86M 1.52% | 625K | 0.00 | 0.00 |
ABIVAX SASOLE | SPONSORED ADS | 1.23M | SH | $7.69M 1.49% | 1.23M | 0.00 | 0.00 |
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